<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="/info" method="post">
<input type="text" name="age">年龄<br>
<input type="text" name="name">姓名<br>
<input type="hidden" name="url" th:value="${url}">
<input type="submit" value="登录">
</form>
</body>
</html>